<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
      *{
        padding: 0;
        margin: 0;
      }
      .user-content{
        padding-left: 1.5em !important;
      }
      .user-header{
        padding-bottom:0.25rem ;
        border-bottom:1px solid rgba(0, 0, 0, 0.1);
      }
    </style>
</head>
<body>
  <div class="user-content" >
    <h2 class="user-header">账号信息</h2>
  </div>
</body>
</html>